Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Avatar for Username

Søg i Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Læs mere
Denne tråd blev arkiveret. Stil et nyt spørgsmål, hvis du har brug for hjælp.
Arkiveret

Firefox 4 JavaScritpt Error when I open it

Firefox
the-edmeister replied
frybart
frybart

When I open Firefox 4.0

Javascript Error TypeError: Components.classes[cid] is undefined

When I open Firefox 4.0 Javascript Error TypeError: Components.classes[cid] is undefined

Alle svar (3)

TonyE
TonyE

That indicates that an add-on you have is not compatible, to troubleshoot this follow the procedure in this link - https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

Navi
Navi

Hi Tony E,

Thx for your link.

I have removed the Ask Tool bar from Add-ons, after which the problem got resolved.

Hope this solution is useful to others too.

Thx/Rgds

Navi

Ændret af Navi den

the-edmeister
the-edmeister

Please click the Helpful button next to the answer that solved your Firefox support issue, when you are logged in, so this thread gets marked as Solved.